Operating lamp



FIG. 1 is a perspective view of our design.

FIG. 2 is a front view of our design.

FIG. 3 is a rear view of our design.

FIG. 4 is a right side view of our design.

FIG. 5 is a left side view of our design.

FIG. 6 is a top view of our design; and,

FIG. 7 is a bottom view of our design.

The broken line disclosure represents portions of the lamp which form no part of the claimed design. 

CLAIM The ornamental design for an operating lamp, as shown and described. 